• Crucigenia Morren, 1830
• Crucigenia alpina (Schmidle) Schmidle
• Crucigenia alternans G.M. Smith accepted as Tetrachlorella alternans (G.M. Smith) Korshikov, 1939
• Crucigenia andicola T.G. Tutin
• Crucigenia antarctica J.N.F. Wille
• Crucigenia apiculata (Lemmermann) Schmidle, 1900 accepted as Crucigeniella apiculata (Lemmermann) Komárek, 1974
• Crucigenia appendiculata (Chodat) Schmidle accepted as Komarekia appendiculata (Chodat) Fott, 1981
• Crucigenia australis Playfair
• Crucigenia cordata Playfair
• Crucigenia cruciata Schmidle accepted as Crucigeniella crucifera (Wolle) Komárek, 1974
• Crucigenia crucifera (Wolle) Collins accepted as Crucigeniella crucifera (Wolle) Komárek, 1974
• Crucigenia cruxmichaeli (Reinsch) Playfair
• Crucigenia cubica (P.F. Reinsch) Kuntze
• Crucigenia cuneiformis (Schmidle) J. Brunnthaler
• Crucigenia divergens G.M. Smith accepted as Crucigeniopsis divergens (G.M. Smith) F. Hindák
• Crucigenia emarginata (W. West & G.S. West) Schmidle
• Crucigenia excavata M.A. Conrad
• Crucigenia fenestrata (Schmidle) Schmidle, 1900
• Crucigenia floralis Playfair
• Crucigenia hastifera W.M. Arnoldi
• Crucigenia heteracantha (C.F.O. Nordstedt) Kuntze
• Crucigenia hofmaniana R.H. Chodat
• Crucigenia irregularis Wille, 1898 accepted as Crucigeniella irregularis (Wille) Tsarenko & D.M. John, 2002
• Crucigenia lauterbornei (Schmidle) Schmidle
• Crucigenia lauterbornii (Schmidle) Schmidle, 1900
• Crucigenia laxa T. Hortobágyi
• Crucigenia lunaris (Lemmermann) Wille
• Crucigenia minima (Fitschen) Brunnthaler accepted as Tetrastrum triangulare (Chodat) Komárek, 1974
• Crucigenia mitrii G.L. Tiwari & D.C. Pandey
• Crucigenia mucronata (G.M. Smith) J. Komárek
• Crucigenia multiseta (Schmidle) Schmidle accepted as Micractinium pusillum Fresenius, 1858
• Crucigenia neglecta B. Fott & H. Ettl
• Crucigenia piriformis G. Beck Mannagetta
• Crucigenia pulchra (W. West & G.S. West) Komárek accepted as Crucigeniella apiculata (Lemmermann) Komárek, 1974
• Crucigenia quadrata Morren, 1830
• Crucigenia quadriseta H.K.F.H. Seckt
• Crucigenia rectangularis (Nägeli) Gay, 1891 accepted as Crucigeniella rectangularis (Nägeli) Komárek, 1974
• Crucigenia reniforme D.O. Svirenko
• Crucigenia reniformis B.M. Griffiths
• Crucigenia schroederi (Schmidle) Schmidle
• Crucigenia smithii (P. Bourrelly & E.E. Manguin) J. Komárek
• Crucigenia staurogeniaeformis (J.L.B. Schröder) J.N.F. Wille
• Crucigenia tetracantha G.S. West
• Crucigenia tetrapedia (Kirchner) Kuntze, 1898
• Crucigenia triangularis Chodat, 1902
• Crucigenia truncata G.M. Smith, 1920
• Crucigenia unicellularis (Playfair) Playfair
• Crucigenia uzbekistanica Ergashev
• Crucigenia variabilis S.S. Wang